Lesson Plan: Estimating Decimals Sums | Nagwa Lesson Plan: Estimating Decimals Sums | Nagwa

Lesson Plan: Estimating Decimals Sums Mathematics • 5th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to estimate the sum of two decimal numbers by rounding or using compatible numbers.

Objectives

Students will be able to

  • estimate the sum of two decimal numbers by rounding to the nearest whole number, ten, or hundred,
  • estimate the sum of two decimal numbers by rounding to compatible numbers.

Prerequisites

Students should already be familiar with

  • rounding a decimal number to the nearest whole number.

Exclusions

Students will not cover

  • estimating the sum of decimal numbers with more than four decimal places.

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